Next time you are diagnosing a system, try stopping the sweep and holding a tone. You might be surprised by what you hear.
: A deeper explanation of what a Festfrequenzprüfung entails, including its purpose, methodology, and applications. festfrequenzprüfung
Next time you see an unexplained harmonic in your FFT, don't just sweep past it. Lock on. Test fixed. Find the truth. Next time you are diagnosing a system, try